<!DOCTYPE html>
<html lang="en">
<head>
	<meta charset="UTF-8">
	<title>Document</title>
</head>
<body>
	<script src="EventUtil.js"></script>
	<script>
		EventUtil.addHandler(document, 'click', text);
		EventUtil.addHandler(document, 'click', text1);
		EventUtil.removeHandler(document, 'click', text);
		function text () {
			alert(this+'这里是添加的第一个函数')
		}
		function text1 () {
			alert(this+'这里是添加的第二个函数')
		}
	</script>
</body>
</html>